Miniaturized Sun Sensor

The new Sun Sensor is based on the development of the present UiO detector, with several enhancements for compliance with use on GEO satellites.

Category:

Technical Specifications

Functional Output Sun direction in spacecraft frame
Performance (over full thermal & dynamic environment) Angular accuracy (including tolerance to solar flares, SEU, albedo and straylight) Margin: 70% (=100%-30%)0.16-0.5°
Field of View full cone >180°
Interfaces Full system Mass Less than 80 grams
Sensor Dimensions (without electronics) Max 35mm in all directions (included packaging)
Electronic Dimensions 25mm + packaging
Average power consumption <10 mW Supply voltage 5V internal, 28V or 50V bus voltage (can be tailored) Data interface Digital Design and PA Redundancy More than double, almost 100% triple Lifetime ≥15 years in GEO Thermal cycles >7000
Reliability <100FIT @30°C
Radiation Electronic components: 100 Krad
Optics: 300Krad
Detector (if any): 1Mrad
SEU tolerant
ITAR ITAR free
Environment Dynamics Up to 11300S/s
Temperature Storage and operational:
-40 to +75°C
Extension for Solar Array accommodation: -80 to +100°C (TBC)
Vibration and shock Sine: 20 g peak
Random: 27 g RMS
Shock: 3000 g from 2 to 10kHz

Knowledge

Analogue signal processing
Digital signal processing
System design
Software development
Hardware development
Command and control systems
Subsystems
Secure solutions
Remote control
Cryptology
Space

Services

Custom design
Re-design of existing products
Adaptations
Interface design
Life-cycle support
System engineering

Application

Sounding rockets
Satelites
Commercial usage
Available for license production